mirror of https://github.com/k3s-io/k3s
41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"strings"
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)
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// Takes a string of the form "name:port" or "name".
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// * If id is of the form "name" or "name:", then return (name, "", true)
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// * If id is of the form "name:port", then return (name, port, true)
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// * Otherwise, return ("", "", false)
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// Additionally, name must be non-empty or valid will be returned false.
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//
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// Port is returned as a string, and it is not required to be numeric (could be
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// used for a named port, for example).
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func SplitPort(id string) (name, port string, valid bool) {
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parts := strings.Split(id, ":")
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if len(parts) > 2 {
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return "", "", false
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}
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if len(parts) == 2 {
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return parts[0], parts[1], len(parts[0]) > 0
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}
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return id, "", len(id) > 0
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}
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